25
RS-232 Communications DB-9 Connector Pin-Outs
• Serial Language options: English; default English
• Veeder-Root RS-232 command protocol format. For more information on the command format, consult the Veeder-
Root Serial Interface Manual.
DB-9 Connector Pin-Outs
Communicating with the Console from a remote computer is done through a RS-232 serial port (DB-9 connector) on the
bottom of the console.
Pin layout to connect the Console’s Serial Interface DB-9 connector to a 25-pin computer terminal connector are shown
in Figure 17. These connections are standard for “AT” style modem cables.
Figure 17. DB9, RS-232 Pin-Outs
Computer Terminal
(DB-25 Connector)
Console
(DB-9 Connector)
CD 1 DCD
8
RXD 2 TXD
2
TXD 3 RXD
3
DTR 4 DTR
20
GND 5 GND
7
DSR 6 DSR
6
RTS 7 RTS
4
CTS 8 CTS
5
N/C 9 Ring Indicator
22
consoles\tls50\\rs-232.eps